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From: Kent Overstreet <kent.overstreet@linux.dev>
To: linux-kernel@vger.kernel.org,
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Cc: Kent Overstreet <kent.overstreet@linux.dev>,
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	x86@kernel.org,
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Subject: [PATCH 24/50] plist: Split out plist_types.h
Date: Fri, 15 Dec 2023 22:29:30 -0500
Message-ID: <20231216032957.3553313-3-kent.overstreet@linux.dev>
In-Reply-To: <20231216032957.3553313-1-kent.overstreet@linux.dev>
References: <20231216024834.3510073-1-kent.overstreet@linux.dev>
 <20231216032957.3553313-1-kent.overstreet@linux.dev>
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Trimming down sched.h dependencies: we don't want to include more than
the base types.

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
---
 include/linux/plist.h       | 12 +-----------
 include/linux/plist_types.h | 17 +++++++++++++++++
 include/linux/sched.h       |  2 +-
 init/init_task.c            |  1 +
 kernel/futex/core.c         |  1 +
 kernel/futex/requeue.c      |  1 +
 kernel/futex/waitwake.c     |  1 +
 mm/swapfile.c               |  1 +
 8 files changed, 24 insertions(+), 12 deletions(-)
 create mode 100644 include/linux/plist_types.h

diff --git a/include/linux/plist.h b/include/linux/plist.h
index 0f352c1d3c80..8c1c8adf7fe9 100644
--- a/include/linux/plist.h
+++ b/include/linux/plist.h
@@ -75,20 +75,10 @@
 
 #include <linux/container_of.h>
 #include <linux/list.h>
-#include <linux/types.h>
+#include <linux/plist_types.h>
 
 #include <asm/bug.h>
 
-struct plist_head {
-	struct list_head node_list;
-};
-
-struct plist_node {
-	int			prio;
-	struct list_head	prio_list;
-	struct list_head	node_list;
-};
-
 /**
  * PLIST_HEAD_INIT - static struct plist_head initializer
  * @head:	struct plist_head variable name
diff --git a/include/linux/plist_types.h b/include/linux/plist_types.h
new file mode 100644
index 000000000000..c37e784330af
--- /dev/null
+++ b/include/linux/plist_types.h
@@ -0,0 +1,17 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+#ifndef _LINUX_PLIST_TYPES_H
+#define _LINUX_PLIST_TYPES_H
+
+#include <linux/types.h>
+
+struct plist_head {
+	struct list_head node_list;
+};
+
+struct plist_node {
+	int			prio;
+	struct list_head	prio_list;
+	struct list_head	node_list;
+};
+
+#endif /* _LINUX_PLIST_TYPES_H */
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 9e2708c2cfa6..8c230f24688b 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -16,7 +16,7 @@
 #include <linux/shm.h>
 #include <linux/kmsan_types.h>
 #include <linux/mutex_types.h>
-#include <linux/plist.h>
+#include <linux/plist_types.h>
 #include <linux/hrtimer_types.h>
 #include <linux/irqflags.h>
 #include <linux/seccomp.h>
diff --git a/init/init_task.c b/init/init_task.c
index 5727d42149c3..56220898a256 100644
--- a/init/init_task.c
+++ b/init/init_task.c
@@ -12,6 +12,7 @@
 #include <linux/audit.h>
 #include <linux/numa.h>
 #include <linux/scs.h>
+#include <linux/plist.h>
 
 #include <linux/uaccess.h>
 
diff --git a/kernel/futex/core.c b/kernel/futex/core.c
index dad981a865b8..e0e853412c15 100644
--- a/kernel/futex/core.c
+++ b/kernel/futex/core.c
@@ -34,6 +34,7 @@
 #include <linux/compat.h>
 #include <linux/jhash.h>
 #include <linux/pagemap.h>
+#include <linux/plist.h>
 #include <linux/memblock.h>
 #include <linux/fault-inject.h>
 #include <linux/slab.h>
diff --git a/kernel/futex/requeue.c b/kernel/futex/requeue.c
index eb21f065816b..b47bb764b352 100644
--- a/kernel/futex/requeue.c
+++ b/kernel/futex/requeue.c
@@ -1,5 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0-or-later
 
+#include <linux/plist.h>
 #include <linux/sched/signal.h>
 
 #include "futex.h"
diff --git a/kernel/futex/waitwake.c b/kernel/futex/waitwake.c
index 61b112897a84..3a10375d9521 100644
--- a/kernel/futex/waitwake.c
+++ b/kernel/futex/waitwake.c
@@ -1,5 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0-or-later
 
+#include <linux/plist.h>
 #include <linux/sched/task.h>
 #include <linux/sched/signal.h>
 #include <linux/freezer.h>
diff --git a/mm/swapfile.c b/mm/swapfile.c
index 4bc70f459164..25019af07181 100644
--- a/mm/swapfile.c
+++ b/mm/swapfile.c
@@ -42,6 +42,7 @@
 #include <linux/completion.h>
 #include <linux/suspend.h>
 #include <linux/zswap.h>
+#include <linux/plist.h>
 
 #include <asm/tlbflush.h>
 #include <linux/swapops.h>
-- 
2.43.0